There is also an incredible bifurcation of cash flow. Overall operating income (earnings before interest, taxes, depreciation and amortization) almost doubled during the 2011-12 season, to $250 million. But the sport’s three most profitable teams–the Maple Leafs ($81.9 million), Rangers ($74 million), Canadians ($51.6 million)–accounted for 83% of the league’s income, while 13 of 30 teams lost money, before non-cash expenses and interest payments.